I have played a LOT of FE over the last two years, and frankly I didn't even think this was possible. A buildable site with Four Base Essence. In the interests of full disclosure I do have some mods installed (Snaking, Bridges, Large UI) but none of them impact tile layout or essence yields.
Look at this thing - in the middle of a triangle formed by an Ogre Lair, Crystal Mine and a Shard. 3-2-4.
